Light emitting diodes (LEDs) with improved light extraction...

Semiconductor device manufacturing: process – Making device or circuit emissive of nonelectrical signal – Including integrally formed optical element

Reexamination Certificate

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C257S098000

Reexamination Certificate

active

07897420

ABSTRACT:
Systems and methods are disclosed for fabricating a semiconductor light-emitting diode (LED) device by forming an n-doped gallium nitride (n-GaN) layer on the LED device and roughening the surface of the n-GaN layer to extract light from an interior of the LED device.

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